489581563 has 8 divisors (see below), whose sum is σ = 500576832. Its totient is φ = 478610496.

The previous prime is 489581551. The next prime is 489581593. The reversal of 489581563 is 365185984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489581563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489581503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38481 + ... + 49597.

It is an arithmetic number, because the mean of its divisors is an integer number (62572104).

Almost surely, 2^489581563 is an apocalyptic number.

489581563 is a deficient number, since it is larger than the sum of its proper divisors (10995269).

489581563 is a wasteful number, since it uses less digits than its factorization.

489581563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12101.

The product of its digits is 1036800, while the sum is 49.

The square root of 489581563 is about 22126.4900741170. The cubic root of 489581563 is about 788.1490410754.

The spelling of 489581563 in words is "four hundred eighty-nine million, five hundred eighty-one thousand, five hundred sixty-three".